﻿using System;
using System.Collections.Generic;
using System.Text;

namespace Demo05201
{
    class Swallow:Birds
    {
        public override void Car()
        {
            base.Car();
            Console.WriteLine("叽~叽~叫");
        }
        public void Trait()
        {
            Console.WriteLine("我能做燕窝！！");
        }
    }
}
